If your car's smart key dies on you, it's still possible to unlock your car and start the ignition without replacing the key's battery immediately.

Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.

Thieves amplify a vehicle's radio signal to access and copy the key fob signal to steal a vehicle. Here's how to block the signal.